Parasite Pictures

Question 1

Answer 1

Ancylostoma caninum

(Hookworm)

Question 2

Where are hookworms present?

Answer 2

Migrates to lungs where it is coughed up and then goes into the small intestine, where they suck blood and cause ulcers and anemia

Question 3

Hookworm causes_____ in humans

Answer 3

cutaneous larva migrans

Question 4

You treat hookworms with________.

Answer 4

Fenbendazole,Pyrantel Pamoate and Moxidectin(only for 4th larvae stage)

Question 5

What is this and how do you treat it?

Answer 5

Isopora; Albon

Question 6

How would you diagnose isospora?

Answer 6

Fecal flotation

Question 7

Id and what kinds of clincial signs would you see?

Answer 7

Aelurostrongylus abstrusus (lungworm).; chronic cough

Question 8

How do you treat Aelurostrongylus abstrusus?

Answer 8

ivermectin and fendbenazole

Question 9

Sarcocystis _____ dog
Sarcocystis ____- cat

Answer 9

Sarcocystis cruzi- dog
Sarcocystis hirsuta- cat

Question 10

Answer 10

Toxoplasma

Question 11

Answer 11

Toxoplasma

Question 12

How do you treat toxoplasma?

Answer 12

Clindamycin

Question 13

CS of toxoplasma

Answer 13

pyrexia and dyspnea.
On exam, you detect decreased respiratory sounds ventrally. Pleural fluid is obtained and smears are made from the sediment.

Question 14

Answer 14

Strongylus vulgaris

Question 15

What can stronglugys vulgaris do? how do you treat it?

Answer 15

• Ingested larvae
• Travel to cranial mescenteric artery and can cause thrombosis

-Ivermectin, fenbendazole, or oxibendazole

Question 16

What are the CS of Dictyocaulus arnfieldi? How do you dx it?

Answer 16

Dictyocaulus arnfieldi
Equine Lungworm; -travels from lymph nodes to respiratory tract
- CS: coughing, lymphadenopathy
Does not generally cause CS in foals

Baerman or TTW

Question 17

ID and CS

Answer 17

Parascaris equorum;

• Roundworm that migrates through the lungs, causing damage to the respiratory tract and brings in bacteria prediposing to pneumonia
• Can also lead to colic and intestinal obstruction

Question 18

What is the equine pin worm?

Answer 18

Oxyuris equi
Pin worm

Question 19

ID and treatment

Answer 19

Gasterophilus;

Based on this life cycle, the recommended management protocol is typically to treat with an avermectin to control adults and all larval stages by administering in the early summer, shortly after any eggs are seen and again in the fall at the end of the botfly season. Such a control program will substantially reduce fly numbers.

Question 20

Gnathosomes CS?

Answer 20

gastritis, ulcers

Question 21

CS and treatment for Trichostrongylus axei

Answer 21

Weight loss and chronic gastritis in cattle and horses; benzimidazoles or ivermectin

Question 22

What is Choriopetes known as?

Answer 22

Choriopetes
Mange mite

Question 23

Where is Choriopetes found and how is it treated?

Answer 23

Found around foot and fetlock; ivermectin

Question 24

Who is choriopetes found in?

Answer 24

draft horses due to long hair

Question 25

CS of Culicoides and treatment

Answer 25

Culicoides hypersensitivity, also referred to as sweet itch, occurs due to allergy to the saliva of the gnat. It recurs seasonally in the warmer months and tends to worsen with age. Typically, horses are pruritic and develop lesions on the poll, mane, and tail from self trauma, although ventral midline dermatitis can occur as well. More chronically, scarring can occur. ; Treatment is to decrease exposure to the gnat and to treat with steroids.

Question 26

What is another name of Cullicoides?

Answer 26

Sweet Itch

Question 27

Haemotbia irritans aka Horn Fly CS and treatment

Answer 27

-VENTRAL MIDLINE DERMATITS, non-pruitic; insecticide sprays

Question 28

What species has the biggest problem with haemotbia irritans?

Answer 28

cattle

Question 29

Onchocerciasis CS and treatment

Answer 29

• VENTRAL MIDLINE DEREMATITIS; non-seasonal, PRUITIC
  vector= culicodies
  “bull’s eye lesion in center of forehead”- DIAMOND SHAPED LESIONS
  Alopecia, scaling of ventral midline, erythemia, non-pruitic
  causes uveitis due to migration
  Ocular lesions- uveitis, conjunctivitis, and keratitis.;

Ivermectin for larvae; none for adults

Question 30

Psoroptes is also called

Answer 30

Mange

Question 31

Dx psorptes with; also what is special about psoroptes?

Answer 31

Skin scrape, or otoscopic examiantion;

REPORTABLE

Question 32

Dictyocaulus viviparus is the ___worm in _____.

Answer 32

Dictyocaulus viviparus is the lung worm in cattle.

Question 33

CS, Dx and Treatment of Dictyocalus viviparus

Answer 33

CS- coughing and diarrhea
Signs include cough and frequently tachypnea. The diagnosis is frequently suggested by the seasonal incidence.

Dx-Baermann

Tx- Ivermectin

Question 34

Treatment for Fasciola hepatica

Answer 34

Treating with a flukecide 2 to 3 months after major transmission season is effective at controlling flukes in most herds, but in some herds a second treatment to remove flukes acquired late in the season (such as on irrigated pasture) may be necessary.

Question 35

Treatment for Eimeria/ Coccidia

Answer 35

• Amprolium
• Sulfas
• Monesin
• Lasolocid

Question 36

Coccidia are ____.

Answer 36

species specific

Question 37

Ostertagia ostertagi
Type 1 vs Type 2

Answer 37

Type 1- Young cattle grazing on pasture for the first time; infestation of L3(can lay dormit and cause TYPE II; high egg counts
Type 2- Older cattle; L4; Egg counts are low
Necropsy- petechia in the abomasum and diarrhea